Half an hour on easy mode and with only one character, maybe. If we judged all games like this (how long it takes to get the credits), a lot of classic games suck.

If you like trying to get the speed or no damage badges (or even playing it on a higher difficulty setting), the game has a lot of life . Plus, beating it with all three characters added more replayability for me. The duck in particular was a good challenge. I had somewhere around 13 hours on the game. Absolutely worth $2 for me.

But, just like anything else that gets hyped, there is always a backlash from people late to the party to tear it down.